From 4724af01bb407aa74be32a3bd6c5fd050cf8a7cf Mon Sep 17 00:00:00 2001
From: xieqiyu <xieqiyu@easycorp.ltd>
Date: Thu, 8 Dec 2022 16:11:20 +0800
Subject: [PATCH] * Fix bug#30698.

---
 module/productplan/control.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/module/productplan/control.php b/module/productplan/control.php
index 6f7fa1bdce..8a941102e7 100644
--- a/module/productplan/control.php
+++ b/module/productplan/control.php
@@ -1030,6 +1030,7 @@ class productplan extends control
             $parentPlan     = $this->productplan->getByID($parentID);
             foreach(explode(',', $parentPlan->branch) as $parentBranchID)
             {
+                if(!isset($branchPairs[$parentBranchID])) continue;
                 $parentBranches[$parentBranchID] = $branchPairs[$parentBranchID];
                 if(!empty($currentBranches) and strpos(",$currentBranches,", ",$parentBranchID,") === false) $currentBranches = str_replace(",$parentBranchID,", ',', $currentBranches);
             }